Eyeglasses.



PATENTED SEPT. 6, l9Q4.

H. MASTERS. EYEGLASSES.

APPLICATION FILED MAY 28, 1904.

N0 MODEL.

mucurop MW/MJJS! 8715 A TTOHIV E YS No. 769,622. Patented September 6, 1904.

UNiTEn STATES ATENT OEEicE.

HANFORD MASTERS, OF BUTTE, lllONTANA.

EYEGLASSES.

SPECIFICATION forming part of Letters Patent No. 769,622, dated September 6, 1904. Application filed May 26, 1904. Serial No. 209,952. \No model.)

To (LZZ 1117mm it viz/Ly cancer/t: rectly upon the lenses and are slightly out- Be it known that l, HANFoiii) hlAsTERs, a turned at their free ends, forming rounded citizen of the United States, and a resident of surfaces to press against the lenses, so they Butte, in the county of Silverbow and State can be applied tightly to the lenses without of Montana, have made certain new and useinjuring the latter.

ful improvements in Eyeglasses, of which the The nuts may preferably be provided with following is a specification. projecting pins, as shown, so that they can be 55 .lly invention is an improvement in eyereadily turned by the finger.

glasses, and particularly in glasses involving Having thus described my invention, what double lenses or two pairs of lenses; and the 1 claim as new, and desire to secure by Letters invention consists in certain novel construc- Patent, is tions and combinations of parts, as will be 1. The improvementineyeglasseshereinde- 6O hereinafter described and claimed. l scribed comprising the main eyeglasses havln the drawings, Figure l is a front eleval ing the lenses and the bow, the supplemental 5 tion of myimproved glasses. Fig. Qis an edge l lenses and the connecting devices consisting view thereof. Fig. 3 is a detail perspective of the screw-shafts, the bow-clamps fitting on view of one of the connecting devices, includthe screw-shafts and embracing their respec- 5 ing two bow-clamps, the screw-shaft, and the tive lenses, and the nuts on the screw-shaft nuts thereon; and Fig. 4: is a detail perspecfor compressing the bow-clamps upon their tive view of one of the bow-clamps. lenses substantially as and for the purposes set in carrying out my invention I employ what forth. for convenience of reference 1 term the 2. The combination of the main eyeglasses, 7 main eyeglass, comprising the lenses A and the screw-shafts, means for securing the screwtlie nose-piece B. In connection with this 1 shafts at one end to the main eyeglasses, the

iiiaiiieyeglass construction I employ the supsupplemental lenses, the bow-clamps on the plemental lenses C and the connecting devices screw-shafts and embracing the supplemental which carry the supplemental lenses and which lenses and means for compressing the clamps are shown in detail in Fig. 3. These devices upon the supplemental lenses. include the threaded shaft D, the bow-clamps 3. The combination of the main eyeglasses, 3 E thereon, and the nuts F, threaded on the screw-shaft D and adapted to be operated to means for securing the screw-shafts to the supcompress the bow-clamps to cause them to plemental lenses, and the bow-clamps on the so tightly grip their respective lenses A or U, as screw-shafts and embracing the lenses of the will be understood from Fig. 2 of the drawmain eyeglasses and means for compressing ings. By this construction I am able to supsuch bow-clamps. port the supplemental lenses at their outer a. The combination withthemaineyeglasses edges and leave them entirely disconnected at of the screw-shafts secured to and projecting 5 their inner edges and also can adjust the supforwardly from the main eyeglasses, the supplemental lenses to any desired degree in orplemental lenses and means for supporting the der to secure a proper tit of the glasses, as supplemental lenses from said screw-shafts.

will be desired by the user. It will also be 5. The combination of the main eyeglasses, noticed that the second or supplemental pair the supplemental lenses, bow-clamps einbrac- 9 of lenses 0 may be attached or removed at ing the supplemental lenses, and means supwill from the main or ordinary glass and that porting said bow-clamps from the main eye- 45 the nuts may be ad usted on the screw-shaft glasses, s to properly clamp the lenses and support the 6. The combination with the main eyeglasses supplemental lenses as desired. of the supplemental lenses supported z'idjust- It will be noticed the bow-clamps clamp diably in advance of the main eyeglasses where the supplemental lenses, the screw-shafts,

by they may be set back and forth in the difrom said bow clamps,- substantially as set rection of the axis of said lenses substantially forth.

as set forth.

7. The combination of the main eyeglasses, HANFORD MASTERS 5 the supplemental lenses, the bow-clamps em- Witnesses:

bracing the lenses of the main eyeglasses, and DAVID CALDWELL, means supporting the supplemental lenses WILLIAM JACKSON. 

